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Truck Mechanic Basics

because you should know this

Volvo i-shift explained

The I shift is an automated manual gearbox. As with a conventional manual gearbox the i-shift has a main shaft, counter shaft and a splitter for high and low. The truck only has an accelerator pedal and brake pedal- no clutch pedal. The transmission computer (TECU) with sensors, solenoids and actuators does everything the driver used to do.

To check the oil level- the sight glass is located on the left hand side front of the gearbox. Minimum level is the bottom of sight glass. Maximum level is at the top of the sight glass

volvo i shift oil level sight glass

Fill/top up the oil level through this plug. On some models of i-shift this plug has a breather hose that simply has to be pulled off before removing the plug and filling

volvo i shift oil filler plug

Component Locations

volvo i shift oil filter housing

i-shift splitter gear

volvo ishift removing oil filter

i-shift TECU

volvo i shift range housing

i-shift clutch cylinder

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